static inline struct cl_device *lu2cl_dev(const struct lu_device *d)
{
LASSERT(d == NULL || IS_ERR(d) || lu_device_is_cl(d));
static inline struct cl_device *lu2cl_dev(const struct lu_device *d)
{
LASSERT(d == NULL || IS_ERR(d) || lu_device_is_cl(d));